*The Silk Road is patrolled and protected by skilled nomadic warriors

*Local governments allowed to rule as long as tribute is paid

*Technology is spread through trade and the forced movement of experts

These were characteristics that can best be attributed to the

a
Golden Age of Tang and Song Dynasties
b
Pax Mongolia
c
Pax Romana
d
Golden Age of the Gupta Dynasty

    The Iron Age began in China during the Zhou Dynasty's reign around 600 BC

Explanation:

president franklin roosevelt supported the tva as part of his first new deal measures approved by congress in 1933. this new agency was designed to control floods, produce electric power, and improve the lives of people living in the tennessee valley. the tva accomplished many of these goals despite problems.

they were byzantines